actually quite easy: In Template:liushu (which gets included by Template:<span class="searchmatch">Han</span> <span class="searchmatch">compound</span>), there is an extra space between the closing parenthesis and the {{categorize}}...
used by Template:<span class="searchmatch">Han</span> <span class="searchmatch">compound</span> in the "Glyph origin" section: Pictograms (象形 (xiàngxíng)) Ideograms (指事 (zhǐshì)) Ideogrammic <span class="searchmatch">compounds</span> (會意／会意 (huìyì))...
<span class="searchmatch">Han</span> character entry with no PoS sections (noun, verb, etc.) in Category:Mandarin definitions needed could import definitions from Translingual "<span class="searchmatch">Han</span> character"...
{{der-top}} and {{der-bottom}} is being used in <span class="searchmatch">Han</span> character entries for Korean, Japanese and Vietnamese <span class="searchmatch">compounds</span>, so it is not possible to delete these two...
2019 (UTC) ah, my favorite part of unicode~ they did such a great job with <span class="searchmatch">han</span> unification. —Suzukaze-c◇◇ 09:01, 11 March 2019 (UTC) Um…, a few Hongkongese...
vowels. For this, there is actually a third variant, for before m, v and y: <span class="searchmatch">han</span>-. The environment of -y is perhaps unusual - that could be handled instead...